Module Name: src
Committed By: ozaki-r
Date: Sat Mar 15 05:54:20 UTC 2014
Modified Files:
src/sys/arch/arm/include: trap.h
Log Message:
Add breakpoint definitions for DTrace
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/arm/include/trap.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/include/trap.h
diff -u src/sys/arch/arm/include/trap.h:1.8 src/sys/arch/arm/include/trap.h:1.9
--- src/sys/arch/arm/include/trap.h:1.8 Sat Jan 19 13:11:09 2008
+++ src/sys/arch/arm/include/trap.h Sat Mar 15 05:54:20 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.h,v 1.8 2008/01/19 13:11:09 chris Exp $ */
+/* $NetBSD: trap.h,v 1.9 2014/03/15 05:54:20 ozaki-r Exp $ */
/*
* Copyright (c) 1995 Mark Brinicombe.
@@ -62,6 +62,14 @@
#define GDB_THUMB_BREAKPOINT 0xdefe /* Thumb in GDB */
#define KERNEL_BREAKPOINT 0xe7ffffff /* Used by DDB */
+/*
+ * DTrace uses 0xe7fffef0 to 0xe7fffeff as breakpoints.
+ * The first byte is used to encode a cond value.
+ */
+#define DTRACE_BREAKPOINT 0xe7fffef0
+#define DTRACE_BREAKPOINT_MASK 0xfffffff0
+#define DTRACE_IS_BREAKPOINT(insn) ((insn & DTRACE_BREAKPOINT_MASK) == DTRACE_BREAKPOINT)
+
#define KBPT_ASM ".word 0xe7ffdefe"
#define USER_BREAKPOINT GDB_BREAKPOINT
